tsshi1983 tsshi1983

29-09-2020
Physics

contestada

A train brakes from 25 m/s to rest in 30 sec. What is its deceleration?

Respuesta :

renno2002p2li5j renno2002p2li5j

29-09-2020

Answer:

a= -0.83m\s^2

Explanation:

a = v \ t

a = -25 \ 30 = -0.833 m\s^2

the object is slowing down 0.83 meter every second

Answer Link

Otras preguntas

A tank holds 300 gallons of water and 100 pounds of salt. A saline solution with concentration 1 lb salt/gal is added at a rate of 4 gal/min. Simultaneously, th

Objects with masses of 135 kg and a 435 kg are separated by 0.500 m. Find the net gravitational force exerted by these objects on a 38.0-kg object placed midway

Given that a(t) = 1/(t + 1)^2 represents the acceleration of a particle, find its velocity and position function which have conditions v(0) = 0 and x(0) = 1. Sh

What properties of a substance determine how that substance will react when combined with other substances? A. its volume and color B. its physical properties C

In an explanatory essay, how is the introductory paragraph similar to the concluding paragraph? O A. Both paragraphs should convince the reader to continue read

what is negative 3/5 multiplied by (negative 7) or as written -3/5*(-7)=

What are fields? Instance variables? object? methods?

A satellite with a mass of 5.6 E 5 kg is orbiting the Earth in a circular path. Determine the satellite's velocity if it is orbiting at a distance of 6.8 E 5 m

How did the severe depression that occurred after World War I affect the world? (A) Napoleon was able to unite all of Europe.(B) Democracy spread throughout Eas

Which statement is true about lines a and b? They are parallel lines. They are perpendicular lines. They are skew lines. They will intersect.